3747447

Information

• Patent Grant
• 3747447

• References
• Source

• Patent Number

  3,747,447

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • B26F1/08 - wherein the tools are carried by, and in operation move relative to, a rotative drum or similar support
  • B27M1/04 - by punching out
  • Y10T83/0244 - Including use of orbiting tool carrier
  • Y10T83/4783 - Constantly oriented tool with arcuate cutting path
  • Y10T83/4812 - Compound movement of tool during tool cycle
  • Y10T83/9314 - Pointed perforators

• US Classifications

  • 083 - Cutting